Home / 456,224.20-683,558.70-389,350.60

Finding the Fourth Proportional to 456,224.20, 683,558.70 and 389,350.60

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Solution

The fourth proportional to 456,224.20, 683,558.70 and 389,350.60 is: 583,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,224.20 : 683,558.70 = 389,350.60 : x
  2. Step 2: Convert to fraction form
    456,224.20/683,558.70 = 389,350.60/x
  3. Step 3: Cross multiply
    456,224.20x = 683,558.70 × 389,350.60
  4. Step 4: Simplify right side
    456,224.20x = 266,143,989,980.22
  5. Step 5: Solve for x
    x = 266,143,989,980.22/456,224.20
  6. Step 6: Final answer
    x = 583,362.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.